On Thu, Sep 17, 2015 at 8:43 PM, Guillaume Smet <guillaume.s...@gmail.com> wrote:
> Hi, > > I upgraded our framework to 5.5.0 and I have a few questions about it. > > == > First, I had to remove the existing indexes otherwise I had exceptions > about version of the index. Is this expected? As far as I remember, it's > been a long time since we had to remove the indexes after an upgrade. > > Caused by: org.apache.lucene.index.IndexFormatTooOldException: Format > version is not supported (resource > > BufferedChecksumIndexInput(MMapIndexInput(path="/data/services/test/data/helios/lucene/fr.openwide.helios.core.business.ticket.model.MessageFile/segments_1"))): > -11 (needs to be between 1071082519 and 1071082519). This version of > Lucene only supports indexes created with release 4.0 and later. > > Maybe it should be integrated in the blog post that one might need to > clean up indexes if they come from before the switch to Lucene 4? > > It should be possible to read Lucene 4 indexes from Lucene 5, but you need to add the codec in your classpath [1] Could you give a try and let us know if it works for you? [1] http://repo1.maven.org/maven2/org/apache/lucene/lucene-backward-codecs/5.3.0/ Cheers, Gustavo _______________________________________________ hibernate-dev mailing list hibernate-dev@lists.jboss.org https://lists.jboss.org/mailman/listinfo/hibernate-dev